Old Tax Regime
Definition
The Old Tax Regime is the original Indian income tax structure under the Income Tax Act, 1961, which allows taxpayers to claim over 70 deductions and exemptions — including Section 80C (₹1.5 lakh), 80D (health insurance), HRA, home loan interest under Section 24(b), and LTA — in exchange for higher tax slab rates. For FY 2025-26, individual taxpayers can continue to opt for the old regime when filing returns, though the new regime is now the default. The old regime is generally more beneficial for salaried individuals whose total deductions and exemptions exceed approximately ₹3.75–5.5 lakh depending on income level.
Why is Old Tax Regime Important?
Navigating the Indian tax system requires a clear understanding of terms like Old Tax Regime. With the introduction of the new income tax regime alongside the old one, taxpayers must evaluate their deductions, exemptions, and tax brackets carefully. This concept is a key component in optimizing your tax liabilities under the Income Tax Act and GST framework.
Proper tax planning using this metric can help individuals and businesses maximize their take-home income while remaining fully compliant with government regulations. We provide free tax calculators to help you estimate these figures accurately and make informed decisions before filing your returns.
Old Tax Regime vs New Tax Regime — Overview
Since FY 2020-21, Indian taxpayers have the choice between two income tax structures: the Old Tax Regime (with higher rates but comprehensive deductions) and the New Tax Regime (with lower rates but almost no deductions). From FY 2023-24 onwards, the new regime is the default — taxpayers must actively opt for the old regime if they want to use it.
The right choice depends entirely on your income level and how many deductions/exemptions you can claim. This guide covers everything you need to decide for FY 2025-26 (AY 2026-27).
Income Tax Slabs — Old vs New Regime (FY 2025-26)
New Tax Regime Slabs (Default)
| Income Range | Tax Rate |
|---|---|
| Up to ₹4,00,000 | Nil |
| ₹4,00,001 – ₹8,00,000 | 5% |
| ₹8,00,001 – ₹12,00,000 | 10% |
| ₹12,00,001 – ₹16,00,000 | 15% |
| ₹16,00,001 – ₹20,00,000 | 20% |
| ₹20,00,001 – ₹24,00,000 | 25% |
| Above ₹24,00,000 | 30% |
Old Tax Regime Slabs (Below 60 Years)
| Income Range | Tax Rate |
|---|---|
| Up to ₹2,50,000 | Nil |
| ₹2,50,001 – ₹5,00,000 | 5% |
| ₹5,00,001 – ₹10,00,000 | 20% |
| Above ₹10,00,000 | 30% |
Old Regime — Senior Citizens (60–80 Years)
| Income Range | Tax Rate |
|---|---|
| Up to ₹3,00,000 | Nil |
| ₹3,00,001 – ₹5,00,000 | 5% |
| ₹5,00,001 – ₹10,00,000 | 20% |
| Above ₹10,00,000 | 30% |
Old Regime — Super Senior Citizens (80+ Years)
| Income Range | Tax Rate |
|---|---|
| Up to ₹5,00,000 | Nil |
| ₹5,00,001 – ₹10,00,000 | 20% |
| Above ₹10,00,000 | 30% |
Key difference: The new regime has 7 slabs with a gradual progression (5% → 30%), while the old regime jumps from 5% to 20% at ₹5 lakh. The old regime compensates with its exemption limit adjustments for senior and super-senior citizens.
Deductions & Exemptions — Old vs New Regime Comparison
This is the most critical difference between the two regimes. The old regime allows over 70 deductions; the new regime allows almost none.
| Deduction / Exemption | Old Regime | New Regime |
|---|---|---|
| Standard Deduction (Salary) | ₹50,000 | ₹75,000 |
| Section 80C (PPF, ELSS, LIC, EPF, NSC, etc.) | Up to ₹1,50,000 | ❌ Not allowed |
| Section 80CCD(1B) — NPS (additional) | Up to ₹50,000 | ❌ Not allowed |
| Section 80CCD(2) — Employer NPS | Up to 10% of basic | Up to 14% of basic |
| Section 80D — Health Insurance | ₹25K self + ₹25K parents (₹50K if senior) | ❌ Not allowed |
| Section 80E — Education Loan Interest | Entire interest (no limit) | ❌ Not allowed |
| Section 80G — Donations | 50%–100% of donation | ❌ Not allowed |
| Section 80GGC — Political Donations | Entire amount | ❌ Not allowed |
| Section 80TTA — Savings Interest | Up to ₹10,000 | ❌ Not allowed |
| Section 80TTB — Senior Citizen FD Interest | Up to ₹50,000 | ❌ Not allowed |
| Section 80U — Disability | ₹75K – ₹1.25L | ❌ Not allowed |
| HRA (House Rent Allowance) | As per formula | ❌ Not allowed |
| LTA (Leave Travel Allowance) | Actual travel expenses | ❌ Not allowed |
| Section 24(b) — Home Loan Interest (Self-Occupied) | Up to ₹2,00,000 | ❌ Not allowed |
| Section 24(b) — Home Loan Interest (Let-Out) | Entire interest (no limit) | Entire interest (no limit) |
| Section 80CCH — Agniveer Corpus | ✅ Allowed | ✅ Allowed |
| Rebate u/s 87A | ₹12,500 (income up to ₹5L) | ₹60,000 (income up to ₹12L) |
When Is the Old Tax Regime Better?
The old regime becomes more beneficial when your total deductions and exemptions exceed a breakeven threshold. Here's a quick reference:
| Gross Income (after Std Deduction) | Old Regime Better If Deductions Exceed |
|---|---|
| ₹8,00,000 | ₹2,25,000 |
| ₹10,00,000 | ₹3,75,000 |
| ₹12,00,000 | ₹4,25,000 |
| ₹15,00,000 | ₹5,00,000 |
| ₹20,00,000 | ₹5,44,000 |
| ₹25,00,000 | ₹7,08,500 |
| ₹30,00,000+ | ₹8,00,000+ |
Rule of thumb: If you can claim ₹80C (₹1.5L) + ₹80D (₹25–50K) + HRA (variable) + home loan interest (₹2L) + NPS 80CCD(1B) (₹50K), your total deductions can easily reach ₹4.5–5.5 lakh, making the old regime beneficial for incomes above ₹12–15 lakh.
Worked Example 1: Salary of ₹10 Lakh
Mr. A earns ₹10 lakh salary. He claims: 80C (₹1 lakh), 80D (₹30,000).
| Particular | Old Regime | New Regime |
|---|---|---|
| Gross Salary | ₹10,00,000 | ₹10,00,000 |
| Less: Standard Deduction | ₹50,000 | ₹75,000 |
| Less: 80C Deduction | ₹1,00,000 | — |
| Less: 80D Deduction | ₹30,000 | — |
| Taxable Income | ₹8,20,000 | ₹9,25,000 |
| Tax Before Cess | ₹79,000 | ₹42,500 |
| Rebate u/s 87A | — | ₹42,500 |
| Tax After Rebate | ₹79,000 | ₹0 |
| Cess (4%) | ₹3,160 | ₹0 |
| Total Tax Payable | ₹82,160 | ₹0 |
Result: New regime is better — income up to ₹12 lakh is effectively tax-free due to the enhanced rebate under Section 87A.
Worked Example 2: Salary of ₹20 Lakh
Mr. B earns ₹20 lakh salary. He claims: 80C (₹1.5L), 80D (₹50K), Home Loan Interest 24(b) (₹2L), NPS 80CCD(1B) (₹50K), HRA (₹1.8L).
| Particular | Old Regime | New Regime |
|---|---|---|
| Gross Salary | ₹20,00,000 | ₹20,00,000 |
| Less: Standard Deduction | ₹50,000 | ₹75,000 |
| Less: HRA Exemption | ₹1,80,000 | — |
| Less: 80C | ₹1,50,000 | — |
| Less: 80CCD(1B) NPS | ₹50,000 | — |
| Less: 80D | ₹50,000 | — |
| Less: 24(b) Home Loan | ₹2,00,000 | — |
| Taxable Income | ₹13,20,000 | ₹19,25,000 |
| Tax Before Cess | ₹1,49,000 | ₹3,02,500 |
| Cess (4%) | ₹5,960 | ₹12,100 |
| Total Tax Payable | ₹1,54,960 | ₹3,14,600 |
Result: Old regime saves ₹1,59,640 when total deductions reach ₹6.8 lakh. This demonstrates why salaried individuals with home loans, HRA, and active investments often benefit from the old regime at higher income levels.
How to Switch Between Old and New Regime
- Salaried individuals (no business income): Can switch between regimes every year at the time of filing ITR. No restriction on switching back and forth.
- Individuals with business income: Can switch from new to old regime, but once they switch back to new regime, they get only one opportunity to revert to old regime in their lifetime.
- Default regime: From FY 2023-24, the new tax regime is the default. You must actively opt for the old regime via your employer (Form 10-IEA) or while filing your ITR.
- Employer declaration: Inform your employer at the start of the financial year which regime you choose, so TDS is deducted correctly. You can change your choice when filing the actual ITR.
Who Should Choose the Old Tax Regime?
The old regime is generally better for:
- Home loan borrowers — ₹2 lakh interest deduction under Section 24(b) plus ₹1.5 lakh principal under 80C is a combined ₹3.5 lakh benefit
- Salaried employees in rented accommodation — HRA exemption can be ₹1–3 lakh depending on city (metro vs non-metro) and rent paid
- Active investors — 80C (₹1.5L via PPF/ELSS/EPF), 80CCD(1B) (₹50K via NPS), 80D (₹25K–₹1L for family + parents)
- Senior citizens (60+) — Higher basic exemption (₹3L), Section 80TTB (₹50K FD interest deduction), higher 80D limits
- Super senior citizens (80+) — ₹5 lakh basic exemption, no equivalent benefit in the new regime
- High earners with multiple deductions — Anyone at ₹15L+ salary with ₹5L+ in combined deductions
Who Should Choose the New Tax Regime?
- Young salaried individuals with no home loan, living with parents (no HRA), and minimal investments
- Income up to ₹12 lakh — effectively tax-free under new regime due to ₹60,000 rebate u/s 87A
- Those who prefer simplicity — no need to maintain investment proofs, rent receipts, or insurance documentation
- People with deductions below the breakeven threshold for their income level
Key Deductions: Explained in Detail
Section 80C (₹1,50,000 Limit)
The most popular tax-saving section. Eligible investments include:
- PPF — Public Provident Fund (15-year lock-in, 7.1% interest, EEE status)
- ELSS — Equity Linked Saving Scheme (3-year lock-in, market-linked, 10% LTCG above ₹1L)
- EPF — Employee Provident Fund (employee's contribution, auto-deducted from salary)
- NSC — National Savings Certificate (5-year lock-in, 7.7% interest)
- Tax-Saver FD — 5-year fixed deposit (6.5–7.5% interest, taxable)
- Life Insurance Premium — Up to ₹1.5L premium per year
- Tuition Fees — Up to 2 children, actual fees paid
- Home Loan Principal Repayment — Part of the combined ₹1.5L limit
Section 80D — Health Insurance Premium
| Category | Maximum Deduction |
|---|---|
| Self, Spouse & Children (below 60) | ₹25,000 |
| Self, Spouse & Children (senior citizen) | ₹50,000 |
| Parents (below 60) | ₹25,000 |
| Parents (senior citizen) | ₹50,000 |
| Maximum combined | ₹1,00,000 |
Preventive health check-up expenses up to ₹5,000 are also covered within the 80D limit.
Section 24(b) — Home Loan Interest
- Self-occupied property: Maximum ₹2,00,000 per year deduction on interest paid
- Let-out / rented property: Entire interest is deductible (no upper limit) under both old and new regime
- Property must be acquired/constructed within 5 years of taking the loan for the ₹2L limit to apply
HRA (House Rent Allowance)
HRA exemption is the minimum of three amounts:
- Actual HRA received from employer
- 50% of basic salary (metro cities) or 40% of basic (non-metro)
- Rent paid minus 10% of basic salary
Self-employed or non-salaried individuals can claim Section 80GG (up to ₹5,000/month) instead of HRA.
Impact for Investors
Capital gains tax is the same under both regimes — the choice of regime does not affect STCG (20% on equity) or LTCG (12.5% on equity above ₹1.25L) rates. However, tax-saving investments like ELSS, PPF, and NPS are deductible only under the old regime, making it more attractive for active investors who routinely invest in these instruments.
Impact for NRIs
NRIs can opt for the old regime and claim most deductions — 80C, 80D, 24(b), and others are available. Key exceptions: NRIs cannot claim Section 80TTB. The choice depends on the same income-vs-deductions analysis as residents. NRIs should note that TDS rates on their Indian income may differ, and they must file ITR to claim refunds on excess TDS deducted.